[CLtL1] Guy L. Steele, Jr.. Common Lisp: the Language (1st Edition). 1984. 465 pages. ISBN 0-932376-41-X. Digital Press.

[CLtL2] Guy L. Steele, Jr.. Common Lisp: the Language (2nd Edition). 1990. 1032 pages. ISBN 1-555-58041-6. Digital Press.

[AMOP] Gregor Kiczales, Jim des Rivieres, and Daniel G. Bobrow. The Art of the Metaobject Protocol. 1991. 335 pages. ISBN 0-262-61074-4. MIT Press.

[ANSI CL] ANSI CL standard1994. ANSI INCITS 226-1994 (R1999) Information Technology - Programming Language - Common Lisp [formerly ANSI X3.226-1994 (R1999)].

[CLHS] Common Lisp HyperSpecCommon Lisp HyperSpec.